$182 Cheap Flights from Copenhagen (CPH) to Kos (KGS)

View $182 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Copenhagen to Kos (CPH-KGS)

Prices were available within the past 7 days and start at $182 for one-way flights and $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sun, Dec 7 - Sun, Dec 14
CPH
Copenhagen
KGS
Kos
$321 Roundtrip, found 6 days ago
$321
Roundtrip
found 6 days ago
Select Aegean flight, departing Sun, Dec 7 from Copenhagen to Kos, returning Sun, Dec 14, priced at $321 found 6 days ago
Aegean
Wed, Jan 7 - Wed, Jan 14
CPH
Copenhagen
KGS
Kos
$325 Roundtrip, found 2 days ago
$325
Roundtrip
found 2 days ago
Select Aegean flight, departing Wed, Jan 7 from Copenhagen to Kos, returning Wed, Jan 14, priced at $325 found 2 days ago
Austrian Airlines
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $338 found 1 day ago
Brussels Airlines
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $352 found 1 day ago
Austrian Airlines
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$353 Roundtrip, found 1 day ago
$353
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $353 found 1 day ago
Austrian Airlines
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $354 found 1 day ago
Aegean
Wed, Jan 7 - Wed, Jan 14
CPH
Copenhagen
KGS
Kos
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select Aegean flight, departing Wed, Jan 7 from Copenhagen to Kos, returning Wed, Jan 14, priced at $356 found 2 days ago
Aegean
Wed, Jan 7 - Wed, Jan 14
CPH
Copenhagen
KGS
Kos
$361 Roundtrip, found 2 days ago
$361
Roundtrip
found 2 days ago
Select Aegean flight, departing Wed, Jan 7 from Copenhagen to Kos, returning Wed, Jan 14, priced at $361 found 2 days ago
Lufthansa
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$487 Roundtrip, found 1 day ago
$487
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $487 found 1 day ago
Swiss International Air Lines
Sat, May 9 - Sat, May 16
CPH
Copenhagen
KGS
Kos
$507 Roundtrip, found 1 day ago
$507
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sat, May 9 from Copenhagen to Kos, returning Sat, May 16, priced at $507 found 1 day ago

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Flights from Copenhagen (CPH) to Kos (KGS)
Origin airport
Kastrup
Destination airport
Kos Island Intl.
Roundtrip price
$320
Distance
1465 mi

Copenhagen to Kos Flights

The cheapest times to fly from Copenhagen to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Kos are during the month of December. You can find some of the cheapest flights from Copenhagen to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Kos

Sunday is one of the best days to book for cheap flights from Copenhagen to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $182 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS) cost?
Secure a cheap one-way flight from $182 or cheap return flight from $321 from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS)?
December is the least expensive month to fly from CPH to KGS. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline flying from CPH to KGS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS)?
There aren't any daily nonstop flights available from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CPH to KGS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS)?
To avoid possible delays on the Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS) last-minute?
Booking your plane ticket from CPH to KGS just before your trip is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a CPH to KGS flight and hotel package?
Compared with arranging hotels and flights separately, booking a CPH to KGS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of travel planning. Just pick your flights and choose from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Kos Island Intl. Airport (KGS)?
If you reserved your CPH to KGS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.